Product Manual
12 ©2017 Johnson Level & Tool
Front of Unit Zero
Reference Position
Back of Unit Zero
Reference Position
Measurement Reference Position
Note: Setting the measurement reference correctly is critical to
obtaining an accurate measurement, as it establishes the place where
a reading of zero (0) is located. If the wrong reference position is
selected, the measurement will be off by the length of the tool (4.14
inches/≈4 1/8″).
The Laser Distance Meter has two reference positions for measurement,
which establish the place where a reading of zero (0) is located. When
the instrument is first turned on, it will default to the most recently
used position.
1. Front of the unit
2. Back of the unit
To select the desired position, press the button. The laser indicator
icon at the top left of the LCD screen will display the selected position.
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